body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin: 0;
    padding-top: 20px;
    background-color: #f4f4f4;
    font-family: Arial, Helvetica, sans-serif;
}

#main-container {
    width: 960px;
    height: 960px;
    display: flex;
    flex-wrap: wrap;
    border: 2px solid black;
    background-color: white;
    user-select: none;
}

.square {
    box-sizing: border-box;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.active {
    background-color: black;
}

#resize-button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}

#clearBtn {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}

#button-container {
    display: flex;
    gap: 12px;
}